Marketable Equity Securities (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Marketable equity securities at fair value | $ 294 | $ 1,322 |
| Kinross Gold Corp. [Member] | ||
| Marketable equity securities at fair value | 0 | $ 927 |
| Shares | 100,000 | |
| Vendetta Mining Corp. [Member] | ||
| Marketable equity securities at fair value | $ 57 | $ 81 |
| Shares | 7,750,000 | 7,750,000 |
| Vox Royalty Corp. [Member] | ||
| Marketable equity securities at fair value | $ 237 | $ 314 |
| Shares | 50,000 | 134,055 |